Lenovo ThinkPad X220 Tablet Hardware Maintenance Manual page 36

The options on the test menu are as follows:
Diagnostics
• Run Normal Test
• Run Quick Test
• CPU/Coprocessor
• System Memory
• Systemboard
• Video Adapter
• Fixed Disks
• Diskette Drives
• Other Devices
• Communication
• Wireless LAN
Notes:
• In the Keyboard test in Interactive Tests, the Fn key should be held down for at least 2 seconds; otherwise, it
cannot be sensed.
• Video Adapter test supports only the LCD display on the ThinkPad Notebook. If you have an external monitor
attached to your computer, detach it before running PC-Doctor for DOS.
• To test Digital Signature Chip, the security chip must be set to Active.
• For models with no internal optical drives, Optical Drive Test can not be selected.
10. Run the applicable function test.
11. Follow the instructions on the screen. If there is a problem, PC-Doctor shows messages describing it.
12. To exit the test, select Quit - Exit Diag. To cancel the test, press Esc.
Note: After running PC-Doctor, check the time and date on the system and reset them if they are incorrect.
Detecting system information with PC-Doctor
PC-Doctor can detect the following system information:
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Hardware Maintenance Manual
Interactive Tests
• Keyboard
• Video
• Internal Speaker
• Mouse
• Diskette
• System Load
• Optical Drive Test
• Intel WLAN Radio Test